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Add some image manipulation tricks

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lhark 2019-11-21 18:11:48 +00:00
parent 18e719b045
commit 61bf16fad3
1 changed files with 9 additions and 5 deletions
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how_to
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@ -276,6 +276,15 @@ Video and audio editing:
ImageMagick: ImageMagick:
crop to aspect ratio crop to aspect ratio
convert in.png -gravity center -crop 4:3 out.png convert in.png -gravity center -crop 4:3 out.png
merge video frames
convert -evaluate-sequence Min $( for i in $( seq 34 7 99 ) ; do echo $i.png ; done ) every7th-frame.jpg
# Using frames 34 through 99 from a video, take every 7th frame and overlay it into a composite image.
# https://mastodon.social/@climagic/103166291952077813
Decode webp:
# from google's libwebp
# jpeg isn't supported, use convert after that
dwebp in.webp -o out.png
RE .net apps: RE .net apps:
ilspymono <list-of-deps.txt>(can be empty) <exe or dll to disassemble> <output dir> ilspymono <list-of-deps.txt>(can be empty) <exe or dll to disassemble> <output dir>
@ -591,11 +600,6 @@ Elegant deduplication lines in file:
https://iridakos.com/how-to/2019/05/16/remove-duplicate-lines-preserving-order-linux.html https://iridakos.com/how-to/2019/05/16/remove-duplicate-lines-preserving-order-linux.html
awk '!visited[$0]++' your_file > deduplicated_file awk '!visited[$0]++' your_file > deduplicated_file
Decode webp:
# from google's libwebp
# jpeg isn't supported, use convert after that
dwebp in.webp -o out.png
Run studiotax on wine: Run studiotax on wine:
http://pnijjar.freeshell.org/2018/studiotax/ http://pnijjar.freeshell.org/2018/studiotax/
WINEARCH=win32 WINEARCH=win32